Table 2.
Angiographic characteristics of first-attempt and reattempted CTO-PCIs.
| First-Attempt PCI n = 480 | Reattempted PCI n = 47 | p-Value | |
|---|---|---|---|
| CTO site | |||
| LAD | 165 (34.4) | 9 (19.1) | |
| LCX | 89 (18.5) | 7 (14.9) | |
| RCA | 213 (44.4) | 30 (63.8) | |
| DG | 6 (1.3) | 1 (2.1) | 0.24 |
| LM | 2 (0.4) | 0 (0) | |
| RI | 3 (0.6) | 0 (0) | |
| SVG | 2 (0.4) | 0 (0) | |
| In-stent CTO | 23 (4.8) | 2 (4.3) | NS |
| J-CTO score | 1.2 ± 1.06 | 2.4 ± 1.06 | <0.001 |
CTO: chronic total occlusion; DG: diagonal artery; LAD: left anterior descending coronary artery; LCX: left circumflex artery; LM: left main; NS: not significant; PCI: percutaneous coronary intervention; RI: ramus intermedius artery; SVG: saphenous vein graft.